623698147 has 8 divisors (see below), whose sum is σ = 629390016. Its totient is φ = 618029352.

The previous prime is 623698139. The next prime is 623698169. The reversal of 623698147 is 741896326.

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

It is a cyclic number.

It is not a de Polignac number, because 623698147 - 2³ = 623698139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623698097 and 623698106.

It is not an unprimeable number, because it can be changed into a prime (623698177) 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, 51048 + ... + 62074.

It is an arithmetic number, because the mean of its divisors is an integer number (78673752).

Almost surely, 2^623698147 is an apocalyptic number.

623698147 is a deficient number, since it is larger than the sum of its proper divisors (5691869).

623698147 is a wasteful number, since it uses less digits than its factorization.

623698147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537.

The product of its digits is 435456, while the sum is 46.

The square root of 623698147 is about 24973.9493672907. The cubic root of 623698147 is about 854.3939240684.

The spelling of 623698147 in words is "six hundred twenty-three million, six hundred ninety-eight thousand, one hundred forty-seven".