23689051 has 4 divisors (see below), whose sum is σ = 23910552. Its totient is φ = 23467552.

The previous prime is 23689037. The next prime is 23689091. The reversal of 23689051 is 15098632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23689051 - 2¹¹ = 23687003 is a prime.

It is a super-2 number, since 2×23689051² = 1122342274561202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23688998 and 23689016.

It is not an unprimeable number, because it can be changed into a prime (23689091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110590 + ... + 110803.

It is an arithmetic number, because the mean of its divisors is an integer number (5977638).

Almost surely, 2^23689051 is an apocalyptic number.

23689051 is a deficient number, since it is larger than the sum of its proper divisors (221501).

23689051 is a wasteful number, since it uses less digits than its factorization.

23689051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221500.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 23689051 is about 4867.1399199119. The cubic root of 23689051 is about 287.1987559206.

The spelling of 23689051 in words is "twenty-three million, six hundred eighty-nine thousand, fifty-one".