23403202142 has 4 divisors (see below), whose sum is σ = 35104803216. Its totient is φ = 11701601070.

The previous prime is 23403202129. The next prime is 23403202247. The reversal of 23403202142 is 24120230432.

It is a semiprime because it is the product of two primes.

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, 5850800534 + ... + 5850800537.

It is an arithmetic number, because the mean of its divisors is an integer number (8776200804).

Almost surely, 2^23403202142 is an apocalyptic number.

23403202142 is a deficient number, since it is larger than the sum of its proper divisors (11701601074).

23403202142 is a wasteful number, since it uses less digits than its factorization.

23403202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701601073.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23403202142 its reverse (24120230432), we get a palindrome (47523432574).

The spelling of 23403202142 in words is "twenty-three billion, four hundred three million, two hundred two thousand, one hundred forty-two".