23202142405 has 16 divisors (see below), whose sum is σ = 29988517104. Its totient is φ = 17131484160.

The previous prime is 23202142399. The next prime is 23202142459. The reversal of 23202142405 is 50424120232.

It can be written as a sum of positive squares in 8 ways, for example, as 41563809 + 23160578596 = 6447^2 + 152186^2 .

It is not a de Polignac number, because 23202142405 - 2¹³ = 23202134213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23202142405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538045 + ... + 579565.

It is an arithmetic number, because the mean of its divisors is an integer number (1874282319).

Almost surely, 2^23202142405 is an apocalyptic number.

It is an amenable number.

23202142405 is a deficient number, since it is larger than the sum of its proper divisors (6786374699).

23202142405 is a wasteful number, since it uses less digits than its factorization.

23202142405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50136.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 23202142405 its reverse (50424120232), we get a palindrome (73626262637).

The spelling of 23202142405 in words is "twenty-three billion, two hundred two million, one hundred forty-two thousand, four hundred five".