61426123 has 16 divisors (see below), whose sum is σ = 70672896. Its totient is φ = 52842240.

The previous prime is 61426121. The next prime is 61426129. The reversal of 61426123 is 32162416.

It is not a de Polignac number, because 61426123 - 2¹ = 61426121 is a prime.

It is a super-2 number, since 2×61426123² = 7546337173622258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61426121) 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, 23290 + ... + 25792.

It is an arithmetic number, because the mean of its divisors is an integer number (4417056).

Almost surely, 2^61426123 is an apocalyptic number.

61426123 is a deficient number, since it is larger than the sum of its proper divisors (9246773).

61426123 is a wasteful number, since it uses less digits than its factorization.

61426123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634.

The product of its digits is 1728, while the sum is 25.

The square root of 61426123 is about 7837.4819298037. The cubic root of 61426123 is about 394.5642216482.

Adding to 61426123 its reverse (32162416), we get a palindrome (93588539).

The spelling of 61426123 in words is "sixty-one million, four hundred twenty-six thousand, one hundred twenty-three".