23401402 has 4 divisors (see below), whose sum is σ = 35102106. Its totient is φ = 11700700.

The previous prime is 23401379. The next prime is 23401451. The reversal of 23401402 is 20410432.

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., 21353641 + 2047761 = 4621^2 + 1431^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5850349 + ... + 5850352.

Almost surely, 2^23401402 is an apocalyptic number.

23401402 is a deficient number, since it is larger than the sum of its proper divisors (11700704).

23401402 is a wasteful number, since it uses less digits than its factorization.

23401402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700703.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23401402 is about 4837.4995607235. The cubic root of 23401402 is about 286.0315628524.

Adding to 23401402 its reverse (20410432), we get a palindrome (43811834).

The spelling of 23401402 in words is "twenty-three million, four hundred one thousand, four hundred two".