1623260612355 has 32 divisors (see below), whose sum is σ = 2608642926144. Its totient is φ = 861935264256.

The previous prime is 1623260612353. The next prime is 1623260612359. The reversal of 1623260612355 is 5532160623261.

It is a happy number.

It is not a de Polignac number, because 1623260612355 - 2¹ = 1623260612353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1623260612353) 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, 5152969 + ... + 5458901.

It is an arithmetic number, because the mean of its divisors is an integer number (81520091442).

Almost surely, 2^{1623260612355} is an apocalyptic number.

1623260612355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1623260612355 is a deficient number, since it is larger than the sum of its proper divisors (985382313789).

1623260612355 is a wasteful number, since it uses less digits than its factorization.

1623260612355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307495.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1623260612355 in words is "one trillion, six hundred twenty-three billion, two hundred sixty million, six hundred twelve thousand, three hundred fifty-five".