23145140420252 has 6 divisors (see below), whose sum is σ = 40503995735448. Its totient is φ = 11572570210124.

The previous prime is 23145140420239. The next prime is 23145140420261. The reversal of 23145140420252 is 25202404154132.

It is a super-3 number, since 3×23145140420252³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2893142552528 + ... + 2893142552535.

It is an arithmetic number, because the mean of its divisors is an integer number (6750665955908).

Almost surely, 2^{23145140420252} is an apocalyptic number.

It is an amenable number.

23145140420252 is a deficient number, since it is larger than the sum of its proper divisors (17358855315196).

23145140420252 is a wasteful number, since it uses less digits than its factorization.

23145140420252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786285105067 (or 5786285105065 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 23145140420252 its reverse (25202404154132), we get a palindrome (48347544574384).

The spelling of 23145140420252 in words is "twenty-three trillion, one hundred forty-five billion, one hundred forty million, four hundred twenty thousand, two hundred fifty-two".