23142434404 has 6 divisors (see below), whose sum is σ = 40499260214. Its totient is φ = 11571217200.

The previous prime is 23142434389. The next prime is 23142434443. The reversal of 23142434404 is 40443424132.

It can be written as a sum of positive squares in only one way, i.e., 19179480100 + 3962954304 = 138490^2 + 62952^2 .

It is a super-3 number, since 3×23142434404³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2892804297 + ... + 2892804304.

Almost surely, 2^23142434404 is an apocalyptic number.

It is an amenable number.

23142434404 is a deficient number, since it is larger than the sum of its proper divisors (17356825810).

23142434404 is a wasteful number, since it uses less digits than its factorization.

23142434404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785608605 (or 5785608603 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 23142434404 its reverse (40443424132), we get a palindrome (63585858536).

The spelling of 23142434404 in words is "twenty-three billion, one hundred forty-two million, four hundred thirty-four thousand, four hundred four".