123501327577 has 4 divisors (see below), whose sum is σ = 123515365840. Its totient is φ = 123487289316.

The previous prime is 123501327461. The next prime is 123501327581. The reversal of 123501327577 is 775723105321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123501327577 - 2¹⁵ = 123501294809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123501327077) 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, 7005927 + ... + 7023532.

It is an arithmetic number, because the mean of its divisors is an integer number (30878841460).

Almost surely, 2^123501327577 is an apocalyptic number.

It is an amenable number.

123501327577 is a deficient number, since it is larger than the sum of its proper divisors (14038263).

123501327577 is an equidigital number, since it uses as much as digits as its factorization.

123501327577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14038262.

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 123501327577 in words is "one hundred twenty-three billion, five hundred one million, three hundred twenty-seven thousand, five hundred seventy-seven".