23210400142 has 8 divisors (see below), whose sum is σ = 35160309432. Its totient is φ = 11490297000.

The previous prime is 23210400139. The next prime is 23210400163. The reversal of 23210400142 is 24100401232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57451284 + ... + 57451687.

It is an arithmetic number, because the mean of its divisors is an integer number (4395038679).

Almost surely, 2^23210400142 is an apocalyptic number.

23210400142 is a deficient number, since it is larger than the sum of its proper divisors (11949909290).

23210400142 is a wasteful number, since it uses less digits than its factorization.

23210400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114903074.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23210400142 its reverse (24100401232), we get a palindrome (47310801374).

The spelling of 23210400142 in words is "twenty-three billion, two hundred ten million, four hundred thousand, one hundred forty-two".