123026340 has 48 divisors (see below), whose sum is σ = 344998080. Its totient is φ = 32757120.

The previous prime is 123026279. The next prime is 123026341. The reversal of 123026340 is 43620321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123026341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55371 + ... + 57549.

It is an arithmetic number, because the mean of its divisors is an integer number (7187460).

Almost surely, 2^123026340 is an apocalyptic number.

123026340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123026340 is an abundant number, since it is smaller than the sum of its proper divisors (221971740).

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

123026340 is a wasteful number, since it uses less digits than its factorization.

123026340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 123026340 is about 11091.7239417504. The cubic root of 123026340 is about 497.3544804734.

Adding to 123026340 its reverse (43620321), we get a palindrome (166646661).

The spelling of 123026340 in words is "one hundred twenty-three million, twenty-six thousand, three hundred forty".