23751045 has 24 divisors (see below), whose sum is σ = 43336800. Its totient is φ = 12000096.

The previous prime is 23751043. The next prime is 23751073. The reversal of 23751045 is 54015732.

It is a happy number.

It is not a de Polignac number, because 23751045 - 2¹ = 23751043 is a prime.

It is a super-2 number, since 2×23751045² = 1128224277184050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23751043) 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, 13035 + ... + 14744.

It is an arithmetic number, because the mean of its divisors is an integer number (1805700).

Almost surely, 2^23751045 is an apocalyptic number.

It is an amenable number.

23751045 is a deficient number, since it is larger than the sum of its proper divisors (19585755).

23751045 is a wasteful number, since it uses less digits than its factorization.

23751045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27809 (or 27806 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 23751045 is about 4873.5043859629. The cubic root of 23751045 is about 287.4490697433.

Adding to 23751045 its reverse (54015732), we get a palindrome (77766777).

The spelling of 23751045 in words is "twenty-three million, seven hundred fifty-one thousand, forty-five".