23402151 has 6 divisors (see below), whose sum is σ = 33803120. Its totient is φ = 15601428.

The previous prime is 23402143. The next prime is 23402161. The reversal of 23402151 is 15120432.

It is not a de Polignac number, because 23402151 - 2³ = 23402143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1300111 + ... + 1300128.

Almost surely, 2^23402151 is an apocalyptic number.

23402151 is a deficient number, since it is larger than the sum of its proper divisors (10400969).

23402151 is a wasteful number, since it uses less digits than its factorization.

23402151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600245 (or 2600242 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23402151 is about 4837.5769761317. The cubic root of 23402151 is about 286.0346144552.

Adding to 23402151 its reverse (15120432), we get a palindrome (38522583).

The spelling of 23402151 in words is "twenty-three million, four hundred two thousand, one hundred fifty-one".