23072051 has 2 divisors, whose sum is σ = 23072052. Its totient is φ = 23072050.

The previous prime is 23072039. The next prime is 23072057. The reversal of 23072051 is 15027032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23072051 is a prime.

It is not a weakly prime, because it can be changed into another prime (23072057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11536025 + 11536026.

It is an arithmetic number, because the mean of its divisors is an integer number (11536026).

Almost surely, 2^23072051 is an apocalyptic number.

23072051 is a deficient number, since it is larger than the sum of its proper divisors (1).

23072051 is an equidigital number, since it uses as much as digits as its factorization.

23072051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 23072051 is about 4803.3374855407. The cubic root of 23072051 is about 284.6833499672.

Adding to 23072051 its reverse (15027032), we get a palindrome (38099083).

The spelling of 23072051 in words is "twenty-three million, seventy-two thousand, fifty-one".