23390280146 has 16 divisors (see below), whose sum is σ = 37791871488. Its totient is φ = 10825795200.

The previous prime is 23390280103. The next prime is 23390280149. The reversal of 23390280146 is 64108209332.

It is not an unprimeable number, because it can be changed into a prime (23390280149) 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, 8199935 + ... + 8202786.

It is an arithmetic number, because the mean of its divisors is an integer number (2361991968).

Almost surely, 2^23390280146 is an apocalyptic number.

23390280146 is a deficient number, since it is larger than the sum of its proper divisors (14401591342).

23390280146 is a wasteful number, since it uses less digits than its factorization.

23390280146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16402777.

The product of its (nonzero) digits is 62208, while the sum is 38.

Adding to 23390280146 its reverse (64108209332), we get a palindrome (87498489478).

The spelling of 23390280146 in words is "twenty-three billion, three hundred ninety million, two hundred eighty thousand, one hundred forty-six".