23102402 has 4 divisors (see below), whose sum is σ = 34653606. Its totient is φ = 11551200.

The previous prime is 23102399. The next prime is 23102407. The reversal of 23102402 is 20420132.

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

It can be written as a sum of positive squares in only one way, i.e., 17480761 + 5621641 = 4181^2 + 2371^2 .

It is not an unprimeable number, because it can be changed into a prime (23102407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775599 + ... + 5775602.

Almost surely, 2^23102402 is an apocalyptic number.

23102402 is a deficient number, since it is larger than the sum of its proper divisors (11551204).

23102402 is a wasteful number, since it uses less digits than its factorization.

23102402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551203.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23102402 is about 4806.4958129598. The cubic root of 23102402 is about 284.8081277533.

Adding to 23102402 its reverse (20420132), we get a palindrome (43522534).

The spelling of 23102402 in words is "twenty-three million, one hundred two thousand, four hundred two".