23325278402 has 4 divisors (see below), whose sum is σ = 34987917606. Its totient is φ = 11662639200.

The previous prime is 23325278381. The next prime is 23325278407. The reversal of 23325278402 is 20487252332.

It is a happy number.

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., 15825891601 + 7499386801 = 125801^2 + 86599^2 .

It is a super-2 number, since 2×23325278402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23325278407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831319599 + ... + 5831319602.

Almost surely, 2^23325278402 is an apocalyptic number.

23325278402 is a deficient number, since it is larger than the sum of its proper divisors (11662639204).

23325278402 is a wasteful number, since it uses less digits than its factorization.

23325278402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662639203.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 23325278402 in words is "twenty-three billion, three hundred twenty-five million, two hundred seventy-eight thousand, four hundred two".