123401034 has 24 divisors (see below), whose sum is σ = 268140132. Its totient is φ = 41015040.

The previous prime is 123401027. The next prime is 123401041. The reversal of 123401034 is 430104321.

It is an interprime number because it is at equal distance from previous prime (123401027) and next prime (123401041).

It can be written as a sum of positive squares in 2 ways, for example, as 114383025 + 9018009 = 10695^2 + 3003^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123400998 and 123401016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3357 + ... + 16064.

Almost surely, 2^123401034 is an apocalyptic number.

123401034 is an abundant number, since it is smaller than the sum of its proper divisors (144739098).

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

123401034 is a wasteful number, since it uses less digits than its factorization.

123401034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19782 (or 19779 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 123401034 is about 11108.6018022072. The cubic root of 123401034 is about 497.8588897143.

Adding to 123401034 its reverse (430104321), we get a palindrome (553505355).

The spelling of 123401034 in words is "one hundred twenty-three million, four hundred one thousand, thirty-four".