2923100868078 has 40 divisors (see below), whose sum is σ = 6563936880072. Its totient is φ = 972280491984.

The previous prime is 2923100868073. The next prime is 2923100868133. The reversal of 2923100868078 is 8708680013292.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923100868073) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19243225 + ... + 19394532.

Almost surely, 2^{2923100868078} is an apocalyptic number.

2923100868078 is an abundant number, since it is smaller than the sum of its proper divisors (3640836011994).

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

2923100868078 is a wasteful number, since it uses less digits than its factorization.

2923100868078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38638238 (or 38638229 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 2923100868078 in words is "two trillion, nine hundred twenty-three billion, one hundred million, eight hundred sixty-eight thousand, seventy-eight".