23112401402 has 4 divisors (see below), whose sum is σ = 34668602106. Its totient is φ = 11556200700.

The previous prime is 23112401399. The next prime is 23112401407. The reversal of 23112401402 is 20410421132.

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., 23070268321 + 42133081 = 151889^2 + 6491^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (23112401407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778100349 + ... + 5778100352.

Almost surely, 2^23112401402 is an apocalyptic number.

23112401402 is a deficient number, since it is larger than the sum of its proper divisors (11556200704).

23112401402 is a wasteful number, since it uses less digits than its factorization.

23112401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11556200703.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23112401402 its reverse (20410421132), we get a palindrome (43522822534).

The spelling of 23112401402 in words is "twenty-three billion, one hundred twelve million, four hundred one thousand, four hundred two".