23147436 has 24 divisors (see below), whose sum is σ = 58165744. Its totient is φ = 7122240.

The previous prime is 23147431. The next prime is 23147437. The reversal of 23147436 is 63474132.

It is a super-3 number, since 3×23147436³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23147431) 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, 74035 + ... + 74346.

Almost surely, 2^23147436 is an apocalyptic number.

23147436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23147436 is an abundant number, since it is smaller than the sum of its proper divisors (35018308).

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

23147436 is a wasteful number, since it uses less digits than its factorization.

23147436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148401 (or 148399 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 23147436 is about 4811.1782340712. The cubic root of 23147436 is about 284.9930684679.

The spelling of 23147436 in words is "twenty-three million, one hundred forty-seven thousand, four hundred thirty-six".