123077085435 has 24 divisors (see below), whose sum is σ = 225882652320. Its totient is φ = 61779869952.

The previous prime is 123077085431. The next prime is 123077085473. The reversal of 123077085435 is 534580770321.

123077085435 is a `hidden beast` number, since 1 + 2 + 30 + 7 + 70 + 8 + 543 + 5 = 666.

It is not a de Polignac number, because 123077085435 - 2² = 123077085431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (123077085431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80441775 + ... + 80443304.

It is an arithmetic number, because the mean of its divisors is an integer number (9411777180).

Almost surely, 2^123077085435 is an apocalyptic number.

123077085435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123077085435 is a deficient number, since it is larger than the sum of its proper divisors (102805566885).

123077085435 is a wasteful number, since it uses less digits than its factorization.

123077085435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160885107 (or 160885104 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 123077085435 in words is "one hundred twenty-three billion, seventy-seven million, eighty-five thousand, four hundred thirty-five".