13457723670 has 64 divisors (see below), whose sum is σ = 35913507840. Its totient is φ = 3586101984.

The previous prime is 13457723663. The next prime is 13457723677. The reversal of 13457723670 is 7632775431.

13457723670 is a `hidden beast` number, since 1 + 3 + 4 + 577 + 2 + 3 + 6 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (13457723663) and next prime (13457723677).

It is a super-2 number, since 2×13457723670² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13457723677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366697 + ... + 401723.

It is an arithmetic number, because the mean of its divisors is an integer number (561148560).

Almost surely, 2^13457723670 is an apocalyptic number.

13457723670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13457723670 is an abundant number, since it is smaller than the sum of its proper divisors (22455784170).

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

13457723670 is a wasteful number, since it uses less digits than its factorization.

13457723670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36466 (or 36460 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 13457723670 in words is "thirteen billion, four hundred fifty-seven million, seven hundred twenty-three thousand, six hundred seventy".