23147303402 has 4 divisors (see below), whose sum is σ = 34720955106. Its totient is φ = 11573651700.

The previous prime is 23147303353. The next prime is 23147303419. The reversal of 23147303402 is 20430374132.

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., 22590390601 + 556912801 = 150301^2 + 23599^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786825849 + ... + 5786825852.

Almost surely, 2^23147303402 is an apocalyptic number.

23147303402 is a deficient number, since it is larger than the sum of its proper divisors (11573651704).

23147303402 is a wasteful number, since it uses less digits than its factorization.

23147303402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11573651703.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 23147303402 its reverse (20430374132), we get a palindrome (43577677534).

It can be divided in two parts, 2314730 and 3402, that added together give a palindrome (2318132).

The spelling of 23147303402 in words is "twenty-three billion, one hundred forty-seven million, three hundred three thousand, four hundred two".