61235343237 has 16 divisors (see below), whose sum is σ = 83802922560. Its totient is φ = 39749577600.

The previous prime is 61235343223. The next prime is 61235343263. The reversal of 61235343237 is 73234353216.

61235343237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61235343237 - 2⁶ = 61235343173 is a prime.

It is a super-2 number, since 2×61235343237² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61235343195 and 61235343204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61235343277) 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, 426439 + ... + 551652.

It is an arithmetic number, because the mean of its divisors is an integer number (5237682660).

Almost surely, 2^61235343237 is an apocalyptic number.

It is an amenable number.

61235343237 is a deficient number, since it is larger than the sum of its proper divisors (22567579323).

61235343237 is a wasteful number, since it uses less digits than its factorization.

61235343237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978644.

The product of its digits is 272160, while the sum is 39.

The spelling of 61235343237 in words is "sixty-one billion, two hundred thirty-five million, three hundred forty-three thousand, two hundred thirty-seven".