23021302102042 has 4 divisors (see below), whose sum is σ = 34531953153066. Its totient is φ = 11510651051020.

The previous prime is 23021302102031. The next prime is 23021302102063. The reversal of 23021302102042 is 24020120312032.

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., 14063917535721 + 8957384566321 = 3750189^2 + 2992889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5755325525509 + ... + 5755325525512.

Almost surely, 2^{23021302102042} is an apocalyptic number.

23021302102042 is a deficient number, since it is larger than the sum of its proper divisors (11510651051024).

23021302102042 is a wasteful number, since it uses less digits than its factorization.

23021302102042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11510651051023.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23021302102042 its reverse (24020120312032), we get a palindrome (47041422414074).

The spelling of 23021302102042 in words is "twenty-three trillion, twenty-one billion, three hundred two million, one hundred two thousand, forty-two".