356540591023 has 4 divisors (see below), whose sum is σ = 356552775288. Its totient is φ = 356528406760.

The previous prime is 356540590999. The next prime is 356540591027. The reversal of 356540591023 is 320195045653.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356540591023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356540591027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6048133 + ... + 6106798.

It is an arithmetic number, because the mean of its divisors is an integer number (89138193822).

Almost surely, 2^356540591023 is an apocalyptic number.

356540591023 is a deficient number, since it is larger than the sum of its proper divisors (12184265).

356540591023 is a wasteful number, since it uses less digits than its factorization.

356540591023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184264.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 356540591023 in words is "three hundred fifty-six billion, five hundred forty million, five hundred ninety-one thousand, twenty-three".