23236545 has 16 divisors (see below), whose sum is σ = 38086272. Its totient is φ = 12090240.

The previous prime is 23236537. The next prime is 23236553. The reversal of 23236545 is 54563232.

It is an interprime number because it is at equal distance from previous prime (23236537) and next prime (23236553).

It is not a de Polignac number, because 23236545 - 2³ = 23236537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18277 + ... + 19506.

It is an arithmetic number, because the mean of its divisors is an integer number (2380392).

Almost surely, 2^23236545 is an apocalyptic number.

It is an amenable number.

23236545 is a deficient number, since it is larger than the sum of its proper divisors (14849727).

23236545 is a wasteful number, since it uses less digits than its factorization.

23236545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37832.

The product of its digits is 21600, while the sum is 30.

The square root of 23236545 is about 4820.4299600762. The cubic root of 23236545 is about 285.3583058847.

Adding to 23236545 its reverse (54563232), we get a palindrome (77799777).

The spelling of 23236545 in words is "twenty-three million, two hundred thirty-six thousand, five hundred forty-five".