23130040402 has 8 divisors (see below), whose sum is σ = 39651497856. Its totient is φ = 9912874452.

The previous prime is 23130040379. The next prime is 23130040403. The reversal of 23130040402 is 20404003132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23130040402.

It is not an unprimeable number, because it can be changed into a prime (23130040403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826072858 + ... + 826072885.

It is an arithmetic number, because the mean of its divisors is an integer number (4956437232).

Almost surely, 2^23130040402 is an apocalyptic number.

23130040402 is a deficient number, since it is larger than the sum of its proper divisors (16521457454).

23130040402 is a wasteful number, since it uses less digits than its factorization.

23130040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652145752.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23130040402 its reverse (20404003132), we get a palindrome (43534043534).

The spelling of 23130040402 in words is "twenty-three billion, one hundred thirty million, forty thousand, four hundred two".