23351707121002 has 16 divisors (see below), whose sum is σ = 37722186362952. Its totient is φ = 10777654425600.

The previous prime is 23351707120997. The next prime is 23351707121009. The reversal of 23351707121002 is 20012170715332.

It can be written as a sum of positive squares in 4 ways, for example, as 18998971805961 + 4352735315041 = 4358781^2 + 2086321^2 .

It is not an unprimeable number, because it can be changed into a prime (23351707121009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916502 + ... + 7430302.

Almost surely, 2^{23351707121002} is an apocalyptic number.

23351707121002 is a deficient number, since it is larger than the sum of its proper divisors (14370479241950).

23351707121002 is a wasteful number, since it uses less digits than its factorization.

23351707121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712793.

The product of its (nonzero) digits is 17640, while the sum is 34.

Adding to 23351707121002 its reverse (20012170715332), we get a palindrome (43363877836334).

The spelling of 23351707121002 in words is "twenty-three trillion, three hundred fifty-one billion, seven hundred seven million, one hundred twenty-one thousand, two".