123400122846 has 192 divisors, whose sum is σ = 340701312000. Its totient is φ = 29585666880.

The previous prime is 123400122841. The next prime is 123400122851. The reversal of 123400122846 is 648221004321.

It is an interprime number because it is at equal distance from previous prime (123400122841) and next prime (123400122851).

It is a super-2 number, since 2×123400122846² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123400122841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3218175 + ... + 3256293.

It is an arithmetic number, because the mean of its divisors is an integer number (1774486000).

Almost surely, 2^123400122846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123400122846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170350656000).

123400122846 is an abundant number, since it is smaller than the sum of its proper divisors (217301189154).

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

123400122846 is a wasteful number, since it uses less digits than its factorization.

123400122846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38180 (or 38155 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 123400122846 in words is "one hundred twenty-three billion, four hundred million, one hundred twenty-two thousand, eight hundred forty-six".