387140023 has 8 divisors (see below), whose sum is σ = 391459328. Its totient is φ = 382831704.

The previous prime is 387140011. The next prime is 387140027. The reversal of 387140023 is 320041783.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387140023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387139973 and 387140000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387140027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82486 + ... + 87052.

It is an arithmetic number, because the mean of its divisors is an integer number (48932416).

Almost surely, 2^387140023 is an apocalyptic number.

387140023 is a deficient number, since it is larger than the sum of its proper divisors (4319305).

387140023 is a wasteful number, since it uses less digits than its factorization.

387140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 387140023 is about 19675.8741356007. The cubic root of 387140023 is about 728.8240421128.

The spelling of 387140023 in words is "three hundred eighty-seven million, one hundred forty thousand, twenty-three".