23153812 has 12 divisors (see below), whose sum is σ = 44202816. Its totient is φ = 10524440.

The previous prime is 23153797. The next prime is 23153827. The reversal of 23153812 is 21835132.

It is an interprime number because it is at equal distance from previous prime (23153797) and next prime (23153827).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263068 + ... + 263155.

It is an arithmetic number, because the mean of its divisors is an integer number (3683568).

Almost surely, 2^23153812 is an apocalyptic number.

23153812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23153812 is a deficient number, since it is larger than the sum of its proper divisors (21049004).

23153812 is a wasteful number, since it uses less digits than its factorization.

23153812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526238 (or 526236 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 23153812 is about 4811.8408119970. The cubic root of 23153812 is about 285.0192333383.

Adding to 23153812 its reverse (21835132), we get a palindrome (44988944).

The spelling of 23153812 in words is "twenty-three million, one hundred fifty-three thousand, eight hundred twelve".