23120004002 has 8 divisors (see below), whose sum is σ = 34685017500. Its totient is φ = 11558331504.

The previous prime is 23120003969. The next prime is 23120004007. The reversal of 23120004002 is 20040002132.

It can be written as a sum of positive squares in 2 ways, for example, as 22625875561 + 494128441 = 150419^2 + 22229^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23120004007) 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, 817877 + ... + 845672.

Almost surely, 2^23120004002 is an apocalyptic number.

23120004002 is a deficient number, since it is larger than the sum of its proper divisors (11565013498).

23120004002 is a wasteful number, since it uses less digits than its factorization.

23120004002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670500.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 23120004002 its reverse (20040002132), we get a palindrome (43160006134).

The spelling of 23120004002 in words is "twenty-three billion, one hundred twenty million, four thousand, two".