23430000042 has 48 divisors (see below), whose sum is σ = 53003553408. Its totient is φ = 7466009760.

The previous prime is 23430000007. The next prime is 23430000053. The reversal of 23430000042 is 24000003432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 722292 + ... + 754032.

It is an arithmetic number, because the mean of its divisors is an integer number (1104240696).

Almost surely, 2^23430000042 is an apocalyptic number.

23430000042 is an abundant number, since it is smaller than the sum of its proper divisors (29573553366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23430000042 is a wasteful number, since it uses less digits than its factorization.

23430000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33555 (or 33552 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 23430000042 its reverse (24000003432), we get a palindrome (47430003474).

The spelling of 23430000042 in words is "twenty-three billion, four hundred thirty million, forty-two", and thus it is an aban number.