1453023100 has 72 divisors (see below), whose sum is σ = 3331036800. Its totient is φ = 548625600.

The previous prime is 1453023071. The next prime is 1453023107. The reversal of 1453023100 is 13203541.

It is a super-2 number, since 2×1453023100² = 4222552258267220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453023107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589671 + ... + 592129.

It is an arithmetic number, because the mean of its divisors is an integer number (46264400).

Almost surely, 2^1453023100 is an apocalyptic number.

1453023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665518400).

1453023100 is an abundant number, since it is smaller than the sum of its proper divisors (1878013700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453023100 is a wasteful number, since it uses less digits than its factorization.

1453023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1453023100 is about 38118.5401084564. The cubic root of 1453023100 is about 1132.6372474889.

Adding to 1453023100 its reverse (13203541), we get a palindrome (1466226641).

The spelling of 1453023100 in words is "one billion, four hundred fifty-three million, twenty-three thousand, one hundred".