1453123112 has 32 divisors (see below), whose sum is σ = 3132501120. Its totient is φ = 619033920.

The previous prime is 1453123103. The next prime is 1453123117. The reversal of 1453123112 is 2113213541.

It is a super-2 number, since 2×1453123112² = 4223133557257129088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453123117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68339 + ... + 87042.

It is an arithmetic number, because the mean of its divisors is an integer number (97890660).

Almost surely, 2^1453123112 is an apocalyptic number.

It is an amenable number.

1453123112 is an abundant number, since it is smaller than the sum of its proper divisors (1679378008).

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

1453123112 is a wasteful number, since it uses less digits than its factorization.

1453123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155561 (or 155557 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1453123112 is about 38119.8519409507. The cubic root of 1453123112 is about 1132.6632334758.

Adding to 1453123112 its reverse (2113213541), we get a palindrome (3566336653).

The spelling of 1453123112 in words is "one billion, four hundred fifty-three million, one hundred twenty-three thousand, one hundred twelve".