123414420040 has 32 divisors (see below), whose sum is σ = 279521415360. Its totient is φ = 49038840000.

The previous prime is 123414420037. The next prime is 123414420043. The reversal of 123414420040 is 40024414321.

It is an interprime number because it is at equal distance from previous prime (123414420037) and next prime (123414420043).

It is a super-2 number, since 2×123414420040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123414419987 and 123414420014.

It is not an unprimeable number, because it can be changed into a prime (123414420043) 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, 10210386 + ... + 10222465.

It is an arithmetic number, because the mean of its divisors is an integer number (8735044230).

Almost surely, 2^123414420040 is an apocalyptic number.

123414420040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123414420040 is an abundant number, since it is smaller than the sum of its proper divisors (156106995320).

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

123414420040 is a wasteful number, since it uses less digits than its factorization.

123414420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20433013 (or 20433009 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 123414420040 its reverse (40024414321), we get a palindrome (163438834361).

The spelling of 123414420040 in words is "one hundred twenty-three billion, four hundred fourteen million, four hundred twenty thousand, forty".