1453723700 has 144 divisors (see below), whose sum is σ = 3729594624. Its totient is φ = 484876800.

The previous prime is 1453723699. The next prime is 1453723709. The reversal of 1453723700 is 73273541.

It is a super-2 number, since 2×1453723700² = 4226625191883380000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453723709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3960917 + ... + 3961283.

Almost surely, 2^1453723700 is an apocalyptic number.

1453723700 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 1453723700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864797312).

1453723700 is an abundant number, since it is smaller than the sum of its proper divisors (2275870924).

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

1453723700 is a wasteful number, since it uses less digits than its factorization.

1453723700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1453723700 is about 38127.7287548052. The cubic root of 1453723700 is about 1132.8192583949.

The spelling of 1453723700 in words is "one billion, four hundred fifty-three million, seven hundred twenty-three thousand, seven hundred".