1623216122463 has 48 divisors (see below), whose sum is σ = 2359521772800. Its totient is φ = 992124536832.

The previous prime is 1623216122449. The next prime is 1623216122501. The reversal of 1623216122463 is 3642216123261.

It is not a de Polignac number, because 1623216122463 - 2⁴ = 1623216122447 is a prime.

It is a super-3 number, since 3×1623216122463³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623216322463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58201320 + ... + 58229202.

It is an arithmetic number, because the mean of its divisors is an integer number (49156703600).

Almost surely, 2^{1623216122463} is an apocalyptic number.

1623216122463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1623216122463 is a deficient number, since it is larger than the sum of its proper divisors (736305650337).

1623216122463 is a wasteful number, since it uses less digits than its factorization.

1623216122463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28688 (or 28675 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The spelling of 1623216122463 in words is "one trillion, six hundred twenty-three billion, two hundred sixteen million, one hundred twenty-two thousand, four hundred sixty-three".