1623429676397 has 8 divisors (see below), whose sum is σ = 1626967507776. Its totient is φ = 1619893501632.

The previous prime is 1623429676373. The next prime is 1623429676411. The reversal of 1623429676397 is 7936769243261.

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 1623429676397 - 2¹⁸ = 1623429414253 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 (1623429676327) 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, 1558133 + ... + 2382149.

It is an arithmetic number, because the mean of its divisors is an integer number (203370938472).

Almost surely, 2^{1623429676397} is an apocalyptic number.

It is an amenable number.

1623429676397 is a deficient number, since it is larger than the sum of its proper divisors (3537831379).

1623429676397 is an equidigital number, since it uses as much as digits as its factorization.

1623429676397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828307.

The product of its digits is 123451776, while the sum is 65.

The spelling of 1623429676397 in words is "one trillion, six hundred twenty-three billion, four hundred twenty-nine million, six hundred seventy-six thousand, three hundred ninety-seven".