23778773430 has 32 divisors (see below), whose sum is σ = 57082109184. Its totient is φ = 6339555936.

The previous prime is 23778773423. The next prime is 23778773437. The reversal of 23778773430 is 3437787732.

It is an interprime number because it is at equal distance from previous prime (23778773423) and next prime (23778773437).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23778773437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46087 + ... + 222893.

It is an arithmetic number, because the mean of its divisors is an integer number (1783815912).

Almost surely, 2^23778773430 is an apocalyptic number.

23778773430 is an abundant number, since it is smaller than the sum of its proper divisors (33303335754).

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

23778773430 is a wasteful number, since it uses less digits than its factorization.

23778773430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181300.

The product of its (nonzero) digits is 4148928, while the sum is 51.

The spelling of 23778773430 in words is "twenty-three billion, seven hundred seventy-eight million, seven hundred seventy-three thousand, four hundred thirty".