23261151 has 16 divisors (see below), whose sum is σ = 33606144. Its totient is φ = 14254464.

The previous prime is 23261137. The next prime is 23261159. The reversal of 23261151 is 15116232.

It is not a de Polignac number, because 23261151 - 2⁷ = 23261023 is a prime.

It is a super-2 number, since 2×23261151² = 1082162291689602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3111 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (2100384).

Almost surely, 2^23261151 is an apocalyptic number.

23261151 is a deficient number, since it is larger than the sum of its proper divisors (10344993).

23261151 is a wasteful number, since it uses less digits than its factorization.

23261151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670.

The product of its digits is 360, while the sum is 21.

The square root of 23261151 is about 4822.9815467198. The cubic root of 23261151 is about 285.4589956886.

Adding to 23261151 its reverse (15116232), we get a palindrome (38377383).

The spelling of 23261151 in words is "twenty-three million, two hundred sixty-one thousand, one hundred fifty-one".